Global Patent Index - EP 2772621 A4

EP 2772621 A4 20150318 - DEVICE FOR CONTROLLING INTERNAL COMBUSTION ENGINE

Title (en)

DEVICE FOR CONTROLLING INTERNAL COMBUSTION ENGINE

Title (de)

VORRICHTUNG ZUR STEUERUNG EINES VERBRENNUNGSMOTORS

Title (fr)

DISPOSITIF PERMETTANT DE COMMANDER UN MOTEUR À COMBUSTION INTERNE

Publication

EP 2772621 A4 20150318 (EN)

Application

EP 11874744 A 20111026

Priority

JP 2011074679 W 20111026

Abstract (en)

[origin: EP2772621A1] An SCR system (8) is arranged in an exhaust path (4) of an internal combustion engine (2) to which the invention is applied, and a particulate filter (14) is arranged downstream thereof. A control apparatus (16) includes temperature controlling means for controlling a temperature of an element portion of the particulate sensor. The temperature controlling means performs control to increase the temperature of the element portion of the particulate sensor to a first temperature range (T1), when a cumulative value (t) of a time for which the particulate sensor is used in a specific operating state reaches a reference time (t1), after detection of a particulate amount by the particulate sensor has started this time. Here, the specific operating state is an operating state set taking into account an operating state in which urea related substances tend to be discharged to a downstream side of the SCR system (8). Also, the first temperature range (T1) is a temperature that is higher than a temperature at which the urea related substances decompose, and lower than a temperature at which the particulates are burned off.

IPC 8 full level

F01N 3/023 (2006.01); F01N 3/08 (2006.01); F01N 9/00 (2006.01); G01N 15/06 (2006.01); G01N 27/22 (2006.01)

CPC (source: EP US)

F01N 3/023 (2013.01 - EP US); F01N 3/2066 (2013.01 - EP US); F01N 9/00 (2013.01 - EP US); F01N 13/008 (2013.01 - US); F02D 41/1494 (2013.01 - US); G01N 15/0606 (2013.01 - EP US); G01N 15/0656 (2013.01 - EP US); F01N 3/035 (2013.01 - US); F01N 11/00 (2013.01 - US); F01N 13/009 (2014.06 - US); F01N 2550/04 (2013.01 - EP US); F01N 2560/05 (2013.01 - EP US); F01N 2560/20 (2013.01 - EP US); F01N 2610/02 (2013.01 - EP US); F01N 2900/0416 (2013.01 - US); F01N 2900/0418 (2013.01 - US); F01N 2900/0421 (2013.01 - US); F01N 2900/1616 (2013.01 - US); F01N 2900/1812 (2013.01 - EP US); F01N 2900/1821 (2013.01 - EP US); F02D 41/1466 (2013.01 - US); F02M 26/00 (2016.02 - EP US); Y02T 10/12 (2013.01 - EP US); Y02T 10/40 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 2772621 A1 20140903; EP 2772621 A4 20150318; EP 2772621 B1 20170301; AU 2011379809 A1 20140515; AU 2011379809 B2 20150709; BR 112014010173 A2 20170425; BR 112014010173 B1 20210504; CN 103890333 A 20140625; CN 103890333 B 20160427; IN 3252DEN2014 A 20150522; JP 5768892 B2 20150826; JP WO2013061421 A1 20150402; US 2014305106 A1 20141016; US 9133748 B2 20150915; WO 2013061421 A1 20130502

DOCDB simple family (application)

EP 11874744 A 20111026; AU 2011379809 A 20111026; BR 112014010173 A 20111026; CN 201180074450 A 20111026; IN 3252DEN2014 A 20140423; JP 2011074679 W 20111026; JP 2013540545 A 20111026; US 201114353498 A 20111026